Anhydrous Calcium Chloride
Calcium Chloride Anhydrous
Chemical Formula: CaCl2
Molecular Weight: 110.98
CAS：10043-52-4
Properties: Anhydrous calcium chloride is a white cubic crystal or powder with strong hygroscopicity, relative density 2.15, melting point 775°C, and boiling point 1935.5°C. It is easily soluble in water and ethanol.
Use: Used as a desiccant for various substances, also for road dust control, soil conditioner, and refrigerant. Used as raw materials for chemical reagents, food additives, feed additives, and the production of calcium metal. Also used as a dehydrating agent, thickener, and water purifier.
Specification:
Analyzed Pure (HG/T 3208-60)
Appearance ---------------------------------------- Qualified
Content (CaCl2) % ------------------------ ≥96.0
Insolubles and Ammonium Hydroxide Sediments/% ---------- ≤0.015
Free alkali [based on Ca(OH)2] / % ≤ 0.020
Phosphates (PO4) / % ------------------------ ≤0.003
Sulfates (SO4) / % ------------------------ ≤0.020
Nitrate (NO3) / % --------------------------- Qualified
Barium (Ba) / % ----------------------------------- Qualified
Heavy Metals (as Pb) / % --------------------- ≤ 0.001
Iron (Fe) / % -------------------------------- ≤ 0.001
Zn (%) -------------------------------- ≤ 0.01
Magnesium and alkali metals (as sulfates) / % ---------- ≤0.30
Arsenic (As) / % -------------------------------- ≤ 0.0003
Chemical Pure (HG/T 3208-60)
Appearance ---------------------------------------- Qualified
Content (CaCl2) / % ------------------------- ≥ 96.0
Insoluble matter and ammonium hydroxide precipitate/% ---------- ≤0.03
Free alkali [based on Ca(OH)2] / % -------------- ≤0.04
Phosphates (PO4) / % ------------------------ ≤0.003
Sulfates (SO4) / % ------------------------ ≤0.02
Nitrate (NO3) / % ------------------------- Qualified
Barium (Ba) / % --------------------------------- Qualified
Heavy Metals (as Pb) / % ------------------- ≤0.002
Iron (Fe) / % ---------------------------- ≤0.002
Zn (%) ---------------------------------- ≤0.01
Magnesium and alkali metals (calculated as sulfates) / % ≤ 0.60
Arsenic (As) / % ---------------------------------- ≤0.0003
Analyzed reagent purity and chemical purity are mainly used for chemical reagents, food additives, feed additives, etc.
Industrial Grade First Class (HG/T 2327-2004)
Appearance-------------------White or slightly yellow-pink solid
Content (CaCl2) / % ------------------------------ ≥94.0
Total alkaline metal chlorides (calculated as NaCl)/% -------------- ≤7.0
Total Magnesium (based on MgCl2)/%------------------≤0.5
Alkalinity [as Ca(OH)2] - /% ≤ 0.4
Insoluble matter/%------------------------------------≤0.3
Particle size-------------------------------------------Negotiable
Industrial Grade II (HG/T 2327-2004)
Appearance-------------------white or slightly off-white, pink solid
Content (CaCl2) / % ------------------------------ ≥90.0
Total Alkali Metal Chlorides (based on NaCl)/% -------------- ≤7.0
